To cite package ‘ltxsparklines’ in publications use:

Veytsman B (2022). ltxsparklines: Lightweight Sparklines for a LaTeX Document. R package version 1.1.3, https://github.com/borisveytsman/ltxsparklines.

Corresponding BibTeX entry:

  @Manual{,
    title = {ltxsparklines: Lightweight Sparklines for a LaTeX
      Document},
    author = {Boris Veytsman},
    year = {2022},
    note = {R package version 1.1.3},
    url = {https://github.com/borisveytsman/ltxsparklines},
  }